18946400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2153}}^1$

素因数の和:2184

約数の個数: 72

約数和(自身を含む): 50481144

約数和(自身を除く): 31534744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2153, 2200, 4306, 4400, 8612, 8800, 10765, 17224, 21530, 23683, 34448, 43060, 47366, 53825, 68896, 86120, 94732, 107650, 118415, 172240, 189464, 215300, 236830, 344480, 378928, 430600, 473660, 592075, 757856, 861200, 947320, 1184150, 1722400, 1894640, 2368300, 3789280, 4736600, 9473200, 18946400]

約数ペア:

[(1, 18946400), (2, 9473200), (4, 4736600), (5, 3789280), (8, 2368300), (10, 1894640), (11, 1722400), (16, 1184150), (20, 947320), (22, 861200), (25, 757856), (32, 592075), (40, 473660), (44, 430600), (50, 378928), (55, 344480), (80, 236830), (88, 215300), (100, 189464), (110, 172240), (160, 118415), (176, 107650), (200, 94732), (220, 86120), (275, 68896), (352, 53825), (400, 47366), (440, 43060), (550, 34448), (800, 23683), (880, 21530), (1100, 17224), (1760, 10765), (2153, 8800), (2200, 8612), (4306, 4400)]